/*
 * Copyright 2010 - 2011, The PLDesktop Development Team
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 */

#include "string.h"

extern "C" char * strtok ( char * s, const char * delim ) {
	const char *spanp;
	int c, sc;
	char *tok;
	static char *last;
	if (s == NULL && (s = last) == NULL) {
		return NULL;
	}
cont:
	c = *s++;
	for (spanp = delim; (sc = *spanp++) != 0;) {
		if (c == sc) {
			goto cont;
		}
	}
	if (c == 0) {
		last = NULL;
		return NULL;
	}
	tok = s - 1;
	for (;;) {
		c = *s++;
		spanp = delim;
		do {
			if ((sc = *spanp++) == c) {
				if (c == 0) {
					s = NULL;
				} else {
					s[-1] = 0;
				}
				last = s;
				return (tok);
			}
		} while (sc != 0);
	}
}
